EEPROM Write Failure
system
Description
The unit cannot write information to main microprocessor memory, and it gives alarm only.
Activation Conditions
There is an error in the ability to write information to be stored in the main microprocessor memory.
Unit Behavior
Engine and Electric Operation: Alarm only
Reset Conditions
Alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
Corrective Actions
1. Check Microprocessor a. Check setpoint setting. Must be between -22 and +90°F (-30 and +32°C). b. Enter new setpoint. Must be between -22 and +90°F (-30 and +32°C). 2. Reset Microprocessor a. Place the START/RUN-OFF switch in the OFF position. Disconnect positive battery cable, wait 20 seconds and reinstall. Then place the START/RUN-OFF back in the START/RUN position. The microprocessor powers up OK and the latest setpoint appears in the display. b. Alarm 00246 remains active. Download data and replace the Microprocessor/Stepper module (MSM). Refer to Section 5.4.